PLS HELP ASAP angle relationships

1. ∠X and ∠Z are vertical angles.
2. ∠X and ∠Y are a linear pair.
3. ∠W and ∠Z are supplementary.
4. ∠Y and ∠Z are supplementary.
5. ∠W and ∠X are adjacent.

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?